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PolyBase Crawl Space Support Footer – 18” Polymer Concrete Pier Base for 4×4 & 6×6 Posts, High-Strength No-Cure Foundation
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PolyBase Crawl Space Support Footer – 18” Polymer Concrete Pier Base for 4×4 & 6×6 Posts, High-Strength No-Cure Foundation

$159.99

Product Specifications

  • Material: High-strength polymer concrete (glass fiber reinforced)
  • Diameter: 18-inch round base
  • Compatibility: Fits 4×4 and 6×6 posts, steel posts, and pipe systems
  • Load Capacity: Up to 42,000 lbs ultimate / 21,000 lbs allowable
  • Installation: No excavation, mixing, or curing required
  • Design: Built-in pipe pocket, corrosion-resistant, modular

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SKU: PBUP18RD Categories: , Tag:
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Description

PolyBase Crawl Space Support Footer – Engineered Structural Support Without Concrete

The PolyBase Crawl Space Support Footer is a next-generation, high-strength polymer concrete foundation designed to provide immediate, long-lasting support for crawl space pier systems. Engineered with glass fiber reinforcement and a low-profile 18” round design, this precast base delivers superior load distribution while eliminating the need for traditional poured concrete.

Built for contractors and serious DIY installers, PolyBase simplifies installation, reduces labor, and provides consistent structural performance in demanding crawl space environments.


Key Features & Benefits

Exceptional Load Capacity
Engineered to support heavy structural loads (up to 42,000 lbs ultimate capacity), making it ideal for pier support systems and floor stabilization.

No Cure Time – Install Immediately
Eliminates the need for mixing, pouring, or waiting—simply set the base and continue installation.

High-Strength Polymer Concrete Construction
Durable, water-impervious material resists cracking, corrosion, and long-term degradation in crawl space conditions.

43% Lighter Than Concrete
Significantly easier to transport and install while maintaining structural integrity.

Pipe Pocket Design (No Base Plate Required)
Integrated pocket allows direct post placement, reducing material cost and speeding up installation.

Optimized Load Distribution
18” round footprint spreads weight evenly across soil, reducing point-load stress and improving stability.


Why It Matters

Traditional concrete footings introduce variability, extended install times, and labor costs. PolyBase provides a controlled, engineered solution that ensures consistent performance while accelerating installation timelines.

This makes it ideal for correcting sagging floors, reinforcing crawl space supports, and building reliable pier systems without the inefficiencies of concrete.


Ideal Applications

  • Crawl space support systems
  • Floor joist stabilization and leveling
  • Foundation repair and reinforcement
  • Pier and beam structures
  • New construction or retrofit installations

Product Specifications

  • Material: High-strength polymer concrete (glass fiber reinforced)
  • Diameter: 18-inch round base
  • Compatibility: Fits 4×4 and 6×6 posts, steel posts, and pipe systems
  • Load Capacity: Up to 42,000 lbs ultimate / 21,000 lbs allowable
  • Installation: No excavation, mixing, or curing required
  • Design: Built-in pipe pocket, corrosion-resistant, modular

Installation Overview

  • Prepare a level, compacted surface
  • Position the PolyBase footer
  • Insert post or jack into pipe pocket
  • Adjust and secure system

No curing delays, no mess, and no specialized equipment required.


Bottom Line

PolyBase delivers engineered strength, faster installs, and long-term reliability, making it a superior alternative to traditional concrete footings for crawl space support systems.

3 reviews for PolyBase Crawl Space Support Footer – 18” Polymer Concrete Pier Base for 4×4 & 6×6 Posts, High-Strength No-Cure Foundation

  1. Randall

    Good for crawl space

  2. Ricky Hernandez

    Heavy duty, worked great. Put this down on the original clay soil floor.

  3. Lee Ann Castelli

    My husband used these in a sandy crawlspace to jack up the house. He said they worked great!

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